Home / 4,516.80-6,768.48-2,668.32

Finding the Fourth Proportional to 4,516.80, 6,768.48 and 2,668.32

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Solution

The fourth proportional to 4,516.80, 6,768.48 and 2,668.32 is: 3,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.80 : 6,768.48 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    4,516.80/6,768.48 = 2,668.32/x
  3. Step 3: Cross multiply
    4,516.80x = 6,768.48 × 2,668.32
  4. Step 4: Simplify right side
    4,516.80x = 18,060,470.55
  5. Step 5: Solve for x
    x = 18,060,470.55/4,516.80
  6. Step 6: Final answer
    x = 3,998.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.